Parasail

Parasail Chat Completions API

Chat completions for conversational LLM workloads.

GitHub OpenAPI

Operations 1

POST /chat/completions Create Chat Completion #

Documentation

📖
Documentation
https://docs.parasail.io/parasail-docs/

Specifications

⚙
OpenAPI
https://artifacts.apis.io/parasail-ai/openapi/parasail-ai-chat-completions-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/parasail-ai/json-schema/parasail-chat-completion-schema.json
📊
JSONSchema
https://artifacts.apis.io/parasail-ai/json-schema/parasail-batch-schema.json
📊
JSONSchema
https://artifacts.apis.io/parasail-ai/json-schema/parasail-deployment-schema.json

Other Resources

🔗
JSONLD
https://artifacts.apis.io/parasail-ai/json-ld/parasail-context.jsonld

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OpenAPI Specification

parasail-ai-chat-completions-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Parasail Inference Chat API
  description: 'OpenAI-compatible inference API for Parasail''s AI Supercloud. Provides serverless

    pay-per-token access to popular open-weight LLMs, embedding models, image generation

    models, and text-to-speech models running on Parasail''s global GPU network.'
  version: '1.0'
  contact:
    name: Parasail
    url: https://docs.parasail.io/parasail-docs/
servers:
- url: https://api.parasail.io/v1
  description: Parasail OpenAI-compatible inference endpoint
security:
- bearerAuth: []
tags:
- name: Chat Completions
  description: Chat completions for conversational LLM workloads.
paths:
  /chat/completions:
    post:
      tags:
      - Chat Completions
      operationId: createChatCompletion
      summary: Create Chat Completion
      description: Generate a chat completion from a list of messages using an OpenAI-compatible request body.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChatCompletionRequest'
      responses:
        '200':
          description: A chat completion response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChatCompletionResponse'
            text/event-stream:
              schema:
                type: string
                description: Server-Sent Events stream when stream=true.
components:
  schemas:
    ChatCompletionResponse:
      type: object
      properties:
        id:
          type: string
        object:
          type: string
          example: chat.completion
        created:
          type: integer
        model:
          type: string
        choices:
          type: array
          items:
            type: object
            properties:
              index:
                type: integer
              message:
                $ref: '#/components/schemas/ChatMessage'
              finish_reason:
                type: string
        usage:
          $ref: '#/components/schemas/Usage'
    Usage:
      type: object
      properties:
        prompt_tokens:
          type: integer
        completion_tokens:
          type: integer
        total_tokens:
          type: integer
    ChatMessage:
      type: object
      required:
      - role
      - content
      properties:
        role:
          type: string
          enum:
          - system
          - user
          - assistant
          - tool
        content:
          oneOf:
          - type: string
          - type: array
            items:
              type: object
        name:
          type: string
        tool_call_id:
          type: string
    ChatCompletionRequest:
      type: object
      required:
      - model
      - messages
      properties:
        model:
          type: string
          description: ID of the model to use (e.g. parasail-deepseek-v3, parasail-qwen3-coder-480b).
        messages:
          type: array
          items:
            $ref: '#/components/schemas/ChatMessage'
        max_tokens:
          type: integer
        temperature:
          type: number
        top_p:
          type: number
        stream:
          type: boolean
          description: If true, response is returned as a Server-Sent Events stream.
        stop:
          oneOf:
          - type: string
          - type: array
            items:
              type: string
        tools:
          type: array
          items:
            type: object
        response_format:
          type: object
          description: JSON schema or json_object response format constraint.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Send your Parasail API key as a Bearer token.